The effectiveness of painting over algae depends on the paint in question. "You could consider painting over the algae on fences or walls using outdoor paint with an algaecide within it,” says Mark.

WALL LAKE, S.D. (KELO) — Minnehaha County Emergency Management recently discovered high levels of harmful algae blooms at Wall Lake. Kevin Christenson of the South Dakota Association of Rural ...

Blue-green algae are often mixed in with other types of algae. The city said it is not aware of any human or pet health problems from harmful algae in Austin before 2019.